videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including YTSO - YouTube Symphony Orchestra 2011 Percussion Audition, Rite of Passage - West Chester University Percussion Ensemble - April 5, 2012 - Seth Miller soloist, Raga No. 1 - William Cahn